Apsit, V.J. and Dixon, P.M., 2GG1, Genetic diversity and population structure in Echinacea laevigata (Boynton and Beadle) Blake, an endangered plant species, Nat. Areas J., 21: 71-77.

Avise, John C., 2GGG, Phylogeography: The History and Formation of Species, Harvard University Press, Cambridge.

Avise, J.C. and Hamrick, J.L., Eds., 1996, Conservation Genetics: Case Histories from Nature, Chapman and Hall, New York.

Baskauf, C.J., McCauley, D.E. and Eickmeier, W.G., 1994, Genetic analysis of a rare and a widespread species of Echinacea (Asteraceae), Evolution, 48: 18G-188.

Baskin, J.M., Snyder, K.M, Walck, J.L. and Baskin, C.C., 1997, The comparative autecology of endemic, globally-rare, and geographically-widespread, common plant species: three case studies, Southwestern Naturalist, 42: 384-399.

Bauer, R. and Foster, S., 1991, Analysis of alkamides and caffeic acid derivatives from Echinacea simulata and E. paradoxa roots, Planta Medica, 57: 447-449.

Bauer, R. and Remiger, P., 1989, TLC and HPLC analysis of alkamides in Echinacea drugs, Planta Medica, 55: 367-371.

Bauer, R. and Wagner, H., 1991, Echinacea species as potential immunostimulatory drugs, in Wagner, H. and Farnsworth, N.R., Eds., Economic and Medicinal Plant Research, vol. 5, Academic Press, New York, pp. 253-321.

Bauer, R., Khan, I.A., and Wagner, H., 1988a, TLC and HPLC analysis of Echinacea pallida and E. angustifolia roots, Planta Medica, 54: 426-430.

Bauer, R., Remiger, P. and Wagner, H., 1988b, Alkamides from the roots of Echinacea purpurea, Phytochem-istry 27: 2339-2342.

Bauer, R., Remiger, P., and Alstat, E., 1990, Alkamides and caffeic acid derivatives from the roots of Echinacea tennesseensis, Planta Medica, 56: 533-534.

Bauer, R., Remiger, P., and Wagner, H., 1989, Alkamides from the roots of Echinacea angustifolia, Phy-tochemistry, 28: 505-508.

Baum, B.R., Binns, S.E., Mechanda, S., and Arnason, J.T., 1999, The Echinacea germplasm enhancement project, in Proceedings of the 1999 International Echinacea Symposium, American Herbal Products Association, Silver Spring, MD.

Binns, S.E., Baum, B.R. and Arnason, J.T., 2002, A taxonomic revision of Echinacea (Asteraceae: Heliantheae), Syst. Bot. 27: 610-632.

Bohlman, J., Meyer-Gauen, G., and Croteau, R., 1998, Plant terpenoid synthases: molecular biology and phylogenetic analysis, Proc. Natl. Acad. Sci., 95: 4126-4133.

Chapman, C.G.D., 1989, Collection strategies for the wild relatives of field crops, in Brown, A.H.D., Frankel, O.H., Marshall, D.R. and Williams, J.T., Eds., The Use of Plant Genetic Resources, Cambridge University Press, New York, pp. 263-279 .

Cheptou, P.O., Lepart, J. and Escarre, J., 2002, Mating system variation along a successional gradient in the allogamous and colonizing plant Crepis sancta (Asteraceae), J. Evol. Biol., 15: 753-762.

Dietz, B. and Bauer, R., 2001, The constituents of Echinacea atrorubens roots and aerial parts, Pharm. Biol., 39: 11-15.

Edwards, L., 1997, Personal communication.

Fritsch, P. and Rieseberg, L.H., 1996, The use of random amplified polymorphic DNA (RAPD) in conservation genetics, in Smith, T.B. and Wayne, R.K., Eds., Molecular Genetic Approaches in Conservation, Oxford University Press, New York, pp. 55-73.

Gitzendanner, M.A. and Soltis, P.S., 2000, Patterns of genetic variation in rare and widespread plant congeners, Am. J. Bot., 87: 783-792.

Greger, H., 1984, Alkamides: structural relationships, distribution and biological activity, Planta Medica, 50: 366-375.

Hamrick, J.L. and Godt, M.J.W., 1996, Conservation genetics of endemic plant species, in Avise, J.C. and Hamrick, J.L., Eds., Conservation Genetics: Case Histories from Nature, Chapman and Hall, New York, pp. 281-305.

Harlan, J.R., 1984, Evaluation of wild relatives of crop plants, in Holden, J.H.W. and Williams, J.T., Eds., Crop Genetic Resources: Conservation and Evaluation, George Allen & Unwin, London, pp. .

Hartl, D.L. and Clark, A.G., 1997, Principles of Population Genetics, 3rd ed., Sinauer Associates, Sunderland, MA.

Kapteyn, J., Goldsbrough, P.B. and Simon, J.E., 2002, Genetic relationships and diversity of commercially relevant Echinacea species, Theor. Appl. Genet., 105: 369-376.

Karp, A., Seberg, O., and Buiatti, M., 1996, Molecular techniques in the assessment of botanical diversity, Ann. Bot., 78: 143-149.

Kimura, Y., Aoki, T., and Ayabe, S., 2001, Chalcone isomerase isozymes with different substrate specificities towards 6-hydroxy and 6-deoxychalcones in cultured cells of Glycyrrhiza echinata, a leguminous plant producing 5-deoxyflavonoids, Plant Cell Physiol., 42: 1169-1173.

Knapp, S., 2003, Personal communication.

Leuszler, H.K., Tepedino, V.J. and Alston, D.G., 1996, Reproductive biology of purple coneflower in southwestern North Dakota, Prairie Naturalist, 28: 91-102.

Lynch, M. and Milligan, B.G., 1994, Analysis of population genetic structure with RAPD markers, Mol. Ecol., 3: 91-100.

McGregor, R., 1968, The taxonomy of the genus Echinacea (Compositae), Univ. Kan. Sci. Bull., 48: 113-142.

McGregor, R., 1997, Personal communication.

McKeown, K., 1999, A review of the taxonomy of the genus Echinacea, in Janick, J., Ed., Perspectives on New Crops and New Uses, ASHS Press, Alexandria, VA, available at

Milligan, B.G., Leebens-Mack, J. and Strand, A.E., 1994, Conservation genetics: beyond the maintenance of marker diversity, Mol. Ecol., 3: 423-435.

Mueller, U.G. and Wolfenbarger, L.L., 1999, AFLP genotyping and fingerprinting, Trends Ecol. Evol., 14: 389-394.

Reinhartz, J.A. and Les, D.H., 1994, Bottleneck-induced dissolution of self-incompatibility and breeding system consequences in Asterfurcatus (Asteraceae), Am. J. Bot., 81: 446-455.

Rieseberg, L.H., 2001, Personal communication.

Rieseberg, L.H. and Carney, S.E., 1998, Tansley review no. 102: Plant hybridization, New Phytologist, 140: 599-624.

Rieseberg, L.H and Ellstrand, N.C. 1993. What can molecular and morphological markers tell us about plant hybridization? Crit. Rev. Plant Sci., 12: 213-241.

Russell, J.R., Fuller, J.D., Macaulay, M., Hatz, B.G., Janoor, A., Powell, W. and Waugh, R., 1997, Direct comparison of levels of genetic variation among barley accessions detected by RFLPs, AFLPs, SSRs and RAPDs, Theor. Appl. Genet., 95: 714-722.

Schaal, B.A, Hayworth, D.A., Olsen, K.M, Rauscher, J.T. and Smith, W.A., 1998, Phylogeographic studies in plants: problems and prospects, Molecular Ecol., 7:465-74.

Somerville, C. and Somerville, S., 1999, Plant functional genomics, Science, 285: 380-383.

Tretheway, R.N., Krotzky, A.J. and Willmitzer, L., 1999, Metabolic profiling: a Rosetta Stone for genomics? Curr. Opin. Plant Biol., 2: 83-85.

Urbatsch, L.E. and Jansen, R.K., 1995, Phylogenetic affinities among and within the coneflower genera (Asteraceae, Heliantheae), a chloroplast DNA analysis, Syst. Bot., 20: 28-39.

Urbatsch, L.E., Baldwin, B.G. and Donoghue, M.J., 2000, Phylogeny of the coneflowers and relatives (Heliantheae: Asteraceae) based on nuclear rDNA internal transcribed spacer (ITS) sequences and chloroplast DNA restriction site data, Syst. Bot., 25: 539-565.

Vos, P., Hogers, R., Bleeker, M., Reijans, M., van de Lee, T., Hornes, M., Frijters, A., Pot, J., Peleman, J., Kuiper, M. and Zabeau, M., 1995, AFLP: a new technique for DNA fingerprinting, Nucleic Acids Res., 23: 4407-4414.

Wagenius, S., 2000, Performance of a Prairie Mating System in Fragmented Habitat: Self-Incompatibility and Limited Pollen Dispersal in Echinacea angustifolia, Ph.D. thesis, University of Minnesota.

Weisshaar, B. and Jenkins, G.I., 1998, Phenylpropanoid biosynthesis and its regulation, Curr. Opin. Plant Biol., 1: 251-257.

White, J.A., Todd, J., Newman, T., Focks, N., Girke, T., Martinez de Ilarduya, O., Jaworski, J.G., Ohlrogge, J.B. and Benning, C., 2000, A new set of Arabidopsis expressed sequence tags from developing seeds: the metabolic pathway from carbohydrates to seed oil, Plant Physiol., 124: 1582-1594.

Widrlechner, M.P., 2001, Personal communication.

Widrlechner, M.P. and McKeown, K.A., 2002, Assembling and characterizing a comprehensive Echinacea germplasm collection, in Janick, J. and Whipkey, A., Eds., Trends in New Crops and New Uses, ASHS Press, Alexandria, VA, available at

Williams, J.G.K., Kubelik, A.R., Livak, K.J., Rafalski, J.A. and Tingey, S.V., 1990, DNA polymorphisms amplified by arbitrary primers are useful as genetic-markers, Nucleic Acids Res., 18: 6531-6535.

Wolf, H.-T., Z├╝ndorf, I., Winckler, T., Bauer, R. and Dingermann, T., 1999, Characterization of Echinacea species and detection of possible adulterations by RAPD analysis, Planta Medica, 65: 773-774.

Wright, S., 1951, The genetical structure of populations, Ann. Eugenics, 15: 323-354.

Young, A., Miller, C., Gregory, C. and Langston, A., 2000, Sporophytic self-incompatibility in diploid and tetraploid races of Rutidopsis leptorrhynchoides (Asteraceae), Aust. J. Bot., 48: 667-672.

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